Ferrite Beads – Mouser Singapore

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EMI Noise Suppression

Noise suppression has become an important issue, especially regarding electromagnetic interference (EMI) and electromagnetic compatibility (EMC). Murata provides engineers with complete support, including products and design-simulation software solutions based on expertise achieved through extensive on-site experience. This enables Murata to provide noise suppression solutions for a broad array of applications.

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Part #

Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below

BLM21AG151SN1D
Murata Electronics
1: $0.218
12,157In Stock
48,000On Order

Mfr. Part No.
BLM21AG151SN1D

Mouser Part No
81-BLM21AG151SN1D

Murata Electronics

Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

12,157In Stock

48,000On Order

Cut Tape

$0.218

$0.155

$0.133

$0.12

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

150 Ohms

1 A

25 %

150 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21AG151SZ1D
Murata Electronics
1: $0.272
2,375In Stock
4,000Expected 17/12/2026

Mfr. Part No.
BLM21AG151SZ1D

Mouser Part No
81-BLM21AG151SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2,375In Stock

4,000Expected 17/12/2026

Cut Tape

$0.272

$0.181

$0.158

$0.14

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_Z

Ferrite Beads

SMD/SMT

0805 (2012 metric)

150 Ohms

1 A

25 %

100 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 220 OHM

BLM21AG221BH1D
Murata Electronics
1: $0.286
7,315In Stock

Mfr. Part No.
BLM21AG221BH1D

Mouser Part No
81-BLM21AG221BH1D

Murata Electronics

Ferrite Beads 220 OHM

Learn More

Datasheet

7,315In Stock

Cut Tape

$0.286

$0.204

$0.177

$0.159

View

Reel

$0.073

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

220 Ohms

900 mA

25 %

120 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM21AG221SH1D
Murata Electronics
1: $0.272
2,096In Stock

Mfr. Part No.
BLM21AG221SH1D

Mouser Part No
81-BLM21AG221SH1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

2,096In Stock

Cut Tape

$0.272

$0.185

$0.16

$0.144

View

Reel

$0.063

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

220 Ohms

900 mA

25 %

200 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21AG331BH1D
Murata Electronics
1: $0.313
4,632In Stock

Mfr. Part No.
BLM21AG331BH1D

Mouser Part No
81-BLM21AG331BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

4,632In Stock

Cut Tape

$0.313

$0.209

$0.182

$0.163

View

Reel

$0.083

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

330 Ohms

800 mA

25 %

150 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM21AG331SH1D
Murata Electronics
1: $0.258
9,284In Stock

Mfr. Part No.
BLM21AG331SH1D

Mouser Part No
81-BLM21AG331SH1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

9,284In Stock

Cut Tape

$0.258

$0.184

$0.159

$0.143

View

Reel

$0.065

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

330 Ohms

800 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM21AG331SN1D
Murata Electronics
1: $0.218
11,131In Stock

Mfr. Part No.
BLM21AG331SN1D

Mouser Part No
81-BLM21AG331SN1

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

11,131In Stock

Cut Tape

$0.218

$0.154

$0.133

$0.12

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

330 Ohms

800 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM21AG471SH1D
Murata Electronics
1: $0.272
230In Stock
4,000Expected 27/8/2026

Mfr. Part No.
BLM21AG471SH1D

Mouser Part No
81-BLM21AG471SH1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

230In Stock

4,000Expected 27/8/2026

Cut Tape

$0.272

$0.189

$0.165

$0.147

View

Reel

$0.061

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

470 Ohms

700 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM21AG471SN1D
Murata Electronics
1: $0.218
27,854In Stock
20,000Expected 20/10/2026

Mfr. Part No.
BLM21AG471SN1D

Mouser Part No
81-BLM21AG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

27,854In Stock

20,000Expected 20/10/2026

Cut Tape

$0.218

$0.155

$0.133

$0.12

View

Reel

$0.054

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

470 Ohms

700 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21AG471SZ1D
Murata Electronics
1: $0.258
2,283In Stock
4,000Expected 24/8/2026

Mfr. Part No.
BLM21AG471SZ1D

Mouser Part No
81-BLM21AG471SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2,283In Stock

4,000Expected 24/8/2026

Cut Tape

$0.258

$0.18

$0.156

$0.14

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_Z

Ferrite Beads

SMD/SMT

0805 (2012 metric)

470 Ohms

700 mA

25 %

180 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 25%

BLM21AG601BH1D
Murata Electronics
1: $0.286
6,507In Stock
44,000On Order

Mfr. Part No.
BLM21AG601BH1D

Mouser Part No
81-BLM21AG601BH1D

Murata Electronics

Ferrite Beads 600 OHM 25%

Learn More

Datasheet

6,507In Stock

44,000On Order

Cut Tape

$0.286

$0.204

$0.177

$0.159

View

Reel

$0.073

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

600 Ohms

700 mA

25 %

200 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 700MA Alternate Sizing Guide Below

BLM21AG601SZ1D
Murata Electronics
1: $0.258
5,367In Stock
36,000On Order

Mfr. Part No.
BLM21AG601SZ1D

Mouser Part No
81-BLM21AG601SZ1D

Murata Electronics

Ferrite Beads 600 OHM 700MA Alternate Sizing Guide Below

Learn More

Datasheet

5,367In Stock

36,000On Order

Cut Tape

$0.258

$0.18

$0.156

$0.14

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_Z

Ferrite Beads

SMD/SMT

0805 (2012 metric)

600 Ohms

700 mA

25 %

210 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 5 OHM 25% Alternate Sizing Guide Below

BLM21BB050SN1D
Murata Electronics
1: $0.204
29,143In Stock

Mfr. Part No.
BLM21BB050SN1D

Mouser Part No
81-BLM21B050S

Murata Electronics

Ferrite Beads 5 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

29,143In Stock

Cut Tape

$0.204

$0.135

$0.128

$0.114

View

Reel

$0.049

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

5 Ohms

1 A

25 %

70 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM21BB121SN1D
Murata Electronics
1: $0.218
16,067In Stock

Mfr. Part No.
BLM21BB121SN1D

Mouser Part No
81-BLM21B121S

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

16,067In Stock

Cut Tape

$0.218

$0.148

$0.128

$0.114

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

120 Ohms

600 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads 200 OHM 25% Alternate Sizing Guide Below

BLM21BB201SN1D
Murata Electronics
1: $0.218
14,542In Stock
48,000On Order

Mfr. Part No.
BLM21BB201SN1D

Mouser Part No
81-BLM21B201S

Murata Electronics

Ferrite Beads 200 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

14,542In Stock

48,000On Order

Cut Tape

$0.218

$0.148

$0.128

$0.124

View

Reel

$0.054

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

200 Ohms

500 mA

25 %

350 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM21BD601SN1D
Murata Electronics
1: $0.218
15,907In Stock
132,000On Order

Mfr. Part No.
BLM21BD601SN1D

Mouser Part No
81-BLM21B601S

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

15,907In Stock

132,000On Order

Cut Tape

$0.218

$0.156

$0.133

$0.12

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

600 Ohms

300 mA

25 %

350 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads 5 OHM 25% Alternate Sizing Guide Below

BLM21BB050SH1D
Murata Electronics
1: $0.245
410In Stock

Mfr. Part No.
BLM21BB050SH1D

Mouser Part No
81-BLM21BB050SH1D

Murata Electronics

Ferrite Beads 5 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

410In Stock

Cut Tape

$0.245

$0.175

$0.154

$0.137

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

5 Ohms

1 A

25 %

70 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 5 OHM 1000MA Alternate Sizing Guide Below

BLM21BB050SZ1D
Murata Electronics
1: $0.245
1,550In Stock
8,000Expected 26/8/2026

Mfr. Part No.
BLM21BB050SZ1D

Mouser Part No
81-BLM21BB050SZ1D

Murata Electronics

Ferrite Beads 5 OHM 1000MA Alternate Sizing Guide Below

Learn More

Datasheet

1,550In Stock

8,000Expected 26/8/2026

Cut Tape

$0.245

$0.167

$0.146

$0.125

View

Reel

$0.054

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_Z

Ferrite Beads

SMD/SMT

0805 (2012 metric)

5 Ohms

1 A

25 %

20 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM21BB121SH1D
Murata Electronics
1: $0.258
443In Stock

Mfr. Part No.
BLM21BB121SH1D

Mouser Part No
81-BLM21BB121SH1D

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

443In Stock

Cut Tape

$0.258

$0.177

$0.154

$0.137

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

120 Ohms

600 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below

BLM21BB151SH1D
Murata Electronics
1: $0.258
248In Stock

Mfr. Part No.
BLM21BB151SH1D

Mouser Part No
81-BLM21BB151SH1D

Murata Electronics

Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

248In Stock

Cut Tape

$0.258

$0.177

$0.154

$0.137

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

150 Ohms

600 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below

BLM21BB151SN1D
Murata Electronics
1: $0.218
1,987In Stock

Mfr. Part No.
BLM21BB151SN1D

Mouser Part No
81-BLM21BB151SN1D

Murata Electronics

Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

1,987In Stock

Cut Tape

$0.218

$0.147

$0.128

$0.114

View

Reel

$0.049

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

150 Ohms

600 mA

25 %

250 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21BB151SZ1D
Murata Electronics
1: $0.245
3,796In Stock

Mfr. Part No.
BLM21BB151SZ1D

Mouser Part No
81-BLM21BB151SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

3,796In Stock

Cut Tape

$0.245

$0.162

$0.14

$0.125

View

Reel

$0.054

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_Z

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

150 Ohms

600 mA

25 %

210 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 200 OHM 25% Alternate Sizing Guide Below

BLM21BB201SH1D
Murata Electronics
1: $0.245
7,576In Stock

Mfr. Part No.
BLM21BB201SH1D

Mouser Part No
81-BLM21BB201SH1D

Murata Electronics

Ferrite Beads 200 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

7,576In Stock

Cut Tape

$0.245

$0.175

$0.154

$0.137

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

200 Ohms

500 mA

25 %

350 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM21BB331SH1D
Murata Electronics
1: $0.258
1,720In Stock

Mfr. Part No.
BLM21BB331SH1D

Mouser Part No
81-BLM21BB331SH1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

1,720In Stock

Cut Tape

$0.258

$0.177

$0.154

$0.137

View

Reel

$0.067

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_H

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

330 Ohms

400 mA

25 %

400 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM21BB331SN1D
Murata Electronics
1: $0.218
12,329In Stock

Mfr. Part No.
BLM21BB331SN1D

Mouser Part No
81-BLM21BB331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

12,329In Stock

Cut Tape

$0.218

$0.148

$0.128

$0.114

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

BLM21_xN

Ferrite Chip Beads

SMD/SMT

0805 (2012 metric)

330 Ohms

400 mA

25 %

400 mOhms

- 55 C

+ 125 C

2 mm

1.25 mm

0.85 mm

Reel, Cut Tape, MouseReel

EMI Noise Suppression

Customer Service Office

Company

Resources

Support

BLA
BLE
BLF
BLM02BB/BC_SN
BLM02xX_SN
BLM03_H
BLM03_SN
BLM03_Z
BLM03H__N
BLM15_H
BLM15_SN
BLM15_Z
BLM15E_SN
BLM15G_SN
BLM15H_SN
BLM18_H
BLM18_xN
BLM18_Z
BLM18DN_SN
BLM18EG_xH

1.5 Ohms
2.9 Ohms
3.3 Ohms
3.6 Ohms
4.4 Ohms
4.5 Ohms
5 Ohms
6.1 Ohms
6.7 Ohms
6.8 Ohms
7.4 Ohms
7.6 Ohms
8.4 Ohms
8.5 Ohms
9 Ohms
9.8 Ohms
10 Ohms
11 Ohms
12 Ohms
14 Ohms

50 mA
100 mA
120 mA
125 mA
135 mA
140 mA
150 mA
170 mA
175 mA
180 mA
190 mA
200 mA
210 mA
215 mA
230 mA
240 mA
250 mA
270 mA
275 mA
280 mA

1.6 mOhms
4 mOhms
7 mOhms
8 mOhms
9 mOhms
10 mOhms
11 mOhms
12 mOhms
13 mOhms
14 mOhms
15 mOhms
16 mOhms
17 mOhms
18 mOhms
19 mOhms
20 mOhms
22 mOhms
23 mOhms
24 mOhms
25 mOhms